Spring-cloud brixton，eureka和带有临时端口的docker

@SpringBootApplication
@EnableEurekaServer
public class EurekaServerApplication {
    public static void main(String[] args) {
        SpringApplication.run(EurekaServerApplication.class, args);
    }
}

server:
  port: 8761

eureka:
  instance:
    hostname: localhost
  client:
    registerWithEureka: false
    fetchRegistry: false
    serviceUrl:
      defaultZone: http://${eureka.instance.hostname}:${server.port}/eureka/

@SpringBootApplication
@EnableDiscoveryClient
public class MyServiceApplication {
    public static void main(String[] args) {
        SpringApplication.run(MyServiceApplication.class, args);
    }
}

server:
  port: 0 # 使用临时端口

spring:
  application:
    name: my-service

eureka:
  client:
    serviceUrl:
      defaultZone: http://localhost:8761/eureka/

FROM openjdk:11-jre-slim
COPY target/my-service.jar my-service.jar
ENTRYPOINT ["java", "-jar", "my-service.jar"]

docker build -t my-service .

docker run -d --name my-service my-service